Hub locking device



FIG. 1 is a perspective view of a hub locking device with a locking button thereof being in a raised position;

FIG. 2 is an elevated left side view thereof;

FIG. 3 is an elevated right side view thereof;

FIG. 4 is an elevated front view thereof;

FIG. 5 is an elevated rear view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a cross sectional side view taken on line 8—8 of FIG. 7;

FIG. 9 is a perspective view of a hub locking device with a locking button thereof being in a lowered position;

FIG. 10 is an elevated left side view of the hub locking device shown in FIG. 9;

FIG. 11 is an elevated right side view of the hub locking device shown in FIG. 9;

FIG. 12 is an elevated front view of the hub locking device shown in FIG. 9;

FIG. 13 is an elevated rear view of the hub locking device shown in FIG. 9;

FIG. 14 is a bottom plan view of the hub locking device shown in FIG. 9;

FIG. 15 is a top plan view of the hub locking device shown in FIG. 9; and,

FIG. 16 is a cross sectional side view on line 16—16 of FIG. 15. 

The ornamental design for a hub locking device, as shown and described. 